archives/open-adventure
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Include LCG state in game saves.

Browse source
This commit is contained in:
Eric S. Raymond 2017-06-14 13:00:28 -04:00
parent fdd72c6417
commit 4993be4c08
4 changed files with 8 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

8
misc.c
View file

@ -460,21 +460,21 @@ bool TSTBIT(long mask, int bit)
void set_seed(long seedval)
/* Set the LCG seed */
{
lcgstate.x = (unsigned long) seedval % lcgstate.m;
game.lcg_x = (unsigned long) seedval % game.lcg_m;
}
unsigned long get_next_lcg_value(void)
/* Return the LCG's current value, and then iterate it. */
{
unsigned long old_x = lcgstate.x;
lcgstate.x = (lcgstate.a * lcgstate.x + lcgstate.c) % lcgstate.m;
unsigned long old_x = game.lcg_x;
game.lcg_x = (game.lcg_a * game.lcg_x + game.lcg_c) % game.lcg_m;
return old_x;
}
long randrange(long range)
/* Return a random integer from [0, range). */
{
return range * get_next_lcg_value() / lcgstate.m;
return range * get_next_lcg_value() / game.lcg_m;
}
long RNDVOC(long second, long force)